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Outage in Fly.io

Platform Wide Rolling Host Reboots

Major
October 16, 2026 - Started about 6 hours ago

Incident Report

We will be imminently applying rolling restarts across all hosts in our fleet for a critical maintenance. Customer Machines, volumes, and MPG cluster instances on each host will be unavailable while their host reboots. Each host will be unavailable for 15 - 20 minutes during the restart, and multiple hosts in a region may be down at once. Users should expect a period of downtime or disruption for their apps, especially if they are running on a single machine. We are aiming for the highest possible uptime during the rollout, while ensuring this is completed quickly. We will provide a further update once we begin the restart process.

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Latest Updates ( sorted recent to last )
IDENTIFIED 12 minutes ago - at 10/16/2026 09:41PM

Host restarts are continuing in phases across all regions - at this point, roughly 70% of all hosts across the fleet have been restarted.

Only a subset of hosts in each region will be down at each time. We expect this process to take multiple hours to complete in full, with larger regions taking the longest to complete. In general, Fly Machines should return to whatever state they were in prior to the host reboot, unless the Machine's restart policy says otherwise.

Rollout phases were scheduled to minimize impact to Managed Postgres Clusters within those regions; however, MPG users will likely see elevated primary <> standby switchovers during this period.

We will continue to provide updates on progress as the rollout continues.

IDENTIFIED 42 minutes ago - at 10/16/2026 09:11PM

Host restarts are continuing in phases across all regions - at this point, roughly 65% of all hosts across the fleet have been restarted.

Only a subset of hosts in each region will be down at each time. We expect this process to take multiple hours to complete in full, with larger regions taking the longest to complete. In general, Fly Machines should return to whatever state they were in prior to the host reboot, unless the Machine's restart policy says otherwise.

Rollout phases were scheduled to minimize impact to Managed Postgres Clusters within those regions; however, MPG users will likely see elevated primary <> standby switchovers during this period.

We will continue to provide updates on progress as the rollout continues.

IDENTIFIED about 1 hour ago - at 10/16/2026 08:41PM

Host restarts are continuing in phases across all regions - at this point, roughly 50% of all hosts across the fleet have been restarted.

Only a subset of hosts in each region will be down at each time. We expect this process to take multiple hours to complete in full, with larger regions taking the longest to complete. In general, Fly Machines should return to whatever state they were in prior to the host reboot, unless the Machine's restart policy says otherwise.

Rollout phases were scheduled to minimize impact to Managed Postgres Clusters within those regions; however, MPG users will likely see elevated primary <> standby switchovers during this period.

We will continue to provide updates on progress as the rollout continues.

IDENTIFIED about 2 hours ago - at 10/16/2026 08:00PM

Host restarts are continuing in phases across all regions - at this point, roughly 40% of all hosts across the fleet have been restarted.

Only a subset of hosts in each region will be down at each time. We expect this process to take multiple hours to complete in full, with larger regions taking the longest to complete. In general, Fly Machines should return to whatever state they were in prior to the host reboot, unless the Machine's restart policy says otherwise.

Rollout phases were scheduled to minimize impact to Managed Postgres Clusters within those regions; however, MPG users will likely see elevated primary <> standby switchovers during this period.

We will continue to provide updates on progress as the rollout continues.

IDENTIFIED about 3 hours ago - at 10/16/2026 07:10PM

Host restarts are continuing in phases across all regions, with the second phase nearly complete - at this point, roughly 25% of all hosts across the fleet have been restarted.

Only a subset of hosts in each region will be down at each time. We expect this process to take multiple hours to complete in full, with larger regions taking the longest to complete.

Rollout phases were scheduled to minimize impact to Managed Postgres Clusters within those regions; however, MPG users will likely see elevated primary <> standby switchovers during this period.

We will continue to provide updates on progress as the rollout continues.

IDENTIFIED about 3 hours ago - at 10/16/2026 06:35PM

Host restarts are continuing in phases across all regions, with the first phase nearly complete. Only a subset of hosts in each region will be down at each time. We expect this process to take multiple hours to complete in full, with larger regions taking the longest to complete.

Rollout phases were scheduled to minimize impact to Managed Postgres Clusters within those regions; however, MPG users will likely see elevated primary <> standby switchovers during this period.

We will continue to provide updates on progress as the rollout continues.

IDENTIFIED about 4 hours ago - at 10/16/2026 06:01PM

Host restarts are continuing in phases across all regions. Only a subset of hosts in each region will be down at each time. We expect this process to take multiple hours to complete in full, with larger regions taking the longest to complete.

Rollout phases were scheduled to minimize impact to Managed Postgres Clusters within those regions, however MPG users will likely see elevated primary <> standby switchovers during this period.

We will provide further updates on progress as the rollout continues.

IDENTIFIED about 5 hours ago - at 10/16/2026 04:59PM

Rolling host restarts are beginning in all regions.

Machines, volumes, and MPG instances will be unavailable for approximately 15-20 minutes when their hosts are restarted during this process.

Users should expect a period of disruption or downtime for their apps during this, especially if they are running on a single machine.

We will provide further updates as the rollout progresses.

IDENTIFIED about 5 hours ago - at 10/16/2026 04:50PM

We are beginning the rolling restart process of all hosts, beginning with the YYZ region. Machines, volumes, and MPG instances on hosts being rebooted will be unavailable for approximately 15-20 minutes during the restart.

We will provide further updates as the rollout progresses.

IDENTIFIED about 6 hours ago - at 10/16/2026 04:22PM

We will be imminently applying rolling restarts across all hosts in our fleet for a critical maintenance. Customer Machines, volumes, and MPG cluster instances on each host will be unavailable while their host reboots.

Each host will be unavailable for 15 - 20 minutes during the restart, and multiple hosts in a region may be down at once. Users should expect a period of downtime or disruption for their apps, especially if they are running on a single machine.

We are aiming for the highest possible uptime during the rollout, while ensuring this is completed quickly.

We will provide a further update once we begin the restart process.

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